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am c3ed104c: am 49a8822d: am 8d6620bd: am 30d822e2: am b091695b: Merge "Revive NetworkInfo\'s SUSPENDED state." into mnc-dev

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* commit 'c3ed104c25621dce3bbb50fe28e0bf9923307721':
  Revive NetworkInfo's SUSPENDED state.
This commit is contained in:
Robert Greenwalt
2015-07-09 19:12:20 +00:00
committed by Android Git Automerger
parent 8e6e66dfec 7fb8adcd51
commit f19cb714e4
2 changed files with 98 additions and 49 deletions
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71
core/java/android/net/ConnectivityManager.java
View File

@@ -2081,23 +2081,6 @@ public class ConnectivityManager {
* changes. Should be extended by applications wanting notifications.
*/
public static class NetworkCallback {
/** @hide */
public static final int PRECHECK = 1;
/** @hide */
public static final int AVAILABLE = 2;
/** @hide */
public static final int LOSING = 3;
/** @hide */
public static final int LOST = 4;
/** @hide */
public static final int UNAVAIL = 5;
/** @hide */
public static final int CAP_CHANGED = 6;
/** @hide */
public static final int PROP_CHANGED = 7;
/** @hide */
public static final int CANCELED = 8;
/**
* Called when the framework connects to a new network to evaluate whether it satisfies this
* request. If evaluation succeeds, this callback may be followed by an {@link #onAvailable}
@@ -2174,30 +2157,54 @@ public class ConnectivityManager {
*/
public void onLinkPropertiesChanged(Network network, LinkProperties linkProperties) {}
/**
* Called when the network the framework connected to for this request
* goes into {@link NetworkInfo.DetailedState.SUSPENDED}.
* This generally means that while the TCP connections are still live,
* temporarily network data fails to transfer. Specifically this is used
* on cellular networks to mask temporary outages when driving through
* a tunnel, etc.
* @hide
*/
public void onNetworkSuspended(Network network) {}
/**
* Called when the network the framework connected to for this request
* returns from a {@link NetworkInfo.DetailedState.SUSPENDED} state.
* This should always be preceeded by a matching {@code onNetworkSuspended}
* call.
* @hide
*/
public void onNetworkResumed(Network network) {}
private NetworkRequest networkRequest;
}
private static final int BASE = Protocol.BASE_CONNECTIVITY_MANAGER;
/** @hide obj = pair(NetworkRequest, Network) */
/** @hide */
public static final int CALLBACK_PRECHECK = BASE + 1;
/** @hide obj = pair(NetworkRequest, Network) */
/** @hide */
public static final int CALLBACK_AVAILABLE = BASE + 2;
/** @hide obj = pair(NetworkRequest, Network), arg1 = ttl */
/** @hide arg1 = TTL */
public static final int CALLBACK_LOSING = BASE + 3;
/** @hide obj = pair(NetworkRequest, Network) */
/** @hide */
public static final int CALLBACK_LOST = BASE + 4;
/** @hide obj = NetworkRequest */
/** @hide */
public static final int CALLBACK_UNAVAIL = BASE + 5;
/** @hide obj = pair(NetworkRequest, Network) */
/** @hide */
public static final int CALLBACK_CAP_CHANGED = BASE + 6;
/** @hide obj = pair(NetworkRequest, Network) */
/** @hide */
public static final int CALLBACK_IP_CHANGED = BASE + 7;
/** @hide obj = NetworkRequest */
/** @hide */
public static final int CALLBACK_RELEASED = BASE + 8;
/** @hide */
public static final int CALLBACK_EXIT = BASE + 9;
/** @hide obj = NetworkCapabilities, arg1 = seq number */
private static final int EXPIRE_LEGACY_REQUEST = BASE + 10;
/** @hide */
public static final int CALLBACK_SUSPENDED = BASE + 11;
/** @hide */
public static final int CALLBACK_RESUMED = BASE + 12;
private class CallbackHandler extends Handler {
private final HashMap<NetworkRequest, NetworkCallback>mCallbackMap;
@@ -2274,6 +2281,20 @@ public class ConnectivityManager {
}
break;
}
case CALLBACK_SUSPENDED: {
NetworkCallback callback = getCallback(request, "SUSPENDED");
if (callback != null) {
callback.onNetworkSuspended(network);
}
break;
}
case CALLBACK_RESUMED: {
NetworkCallback callback = getCallback(request, "RESUMED");
if (callback != null) {
callback.onNetworkResumed(network);
}
break;
}
case CALLBACK_RELEASED: {
NetworkCallback callback = null;
synchronized(mCallbackMap) {

56
services/core/java/com/android/server/ConnectivityService.java
View File

@@ -493,10 +493,10 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void maybeLogBroadcast(NetworkAgentInfo nai, boolean connected, int type,
private void maybeLogBroadcast(NetworkAgentInfo nai, DetailedState state, int type,
boolean isDefaultNetwork) {
if (DBG) {
log("Sending " + (connected ? "connected" : "disconnected") +
log("Sending " + state +
" broadcast for type " + type + " " + nai.name() +
" isDefaultNetwork=" + isDefaultNetwork);
}
@@ -520,8 +520,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
// Send a broadcast if this is the first network of its type or if it's the default.
final boolean isDefaultNetwork = isDefaultNetwork(nai);
if (list.size() == 1 || isDefaultNetwork) {
maybeLogBroadcast(nai, true, type, isDefaultNetwork);
sendLegacyNetworkBroadcast(nai, true, type);
maybeLogBroadcast(nai, DetailedState.CONNECTED, type, isDefaultNetwork);
sendLegacyNetworkBroadcast(nai, DetailedState.CONNECTED, type);
}
}
@@ -538,17 +538,19 @@ public class ConnectivityService extends IConnectivityManager.Stub
return;
}
final DetailedState state = DetailedState.DISCONNECTED;
if (wasFirstNetwork || wasDefault) {
maybeLogBroadcast(nai, false, type, wasDefault);
sendLegacyNetworkBroadcast(nai, false, type);
maybeLogBroadcast(nai, state, type, wasDefault);
sendLegacyNetworkBroadcast(nai, state, type);
}
if (!list.isEmpty() && wasFirstNetwork) {
if (DBG) log("Other network available for type " + type +
", sending connected broadcast");
final NetworkAgentInfo replacement = list.get(0);
maybeLogBroadcast(replacement, false, type, isDefaultNetwork(replacement));
sendLegacyNetworkBroadcast(replacement, false, type);
maybeLogBroadcast(replacement, state, type, isDefaultNetwork(replacement));
sendLegacyNetworkBroadcast(replacement, state, type);
}
}
@@ -560,6 +562,21 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
// send out another legacy broadcast - currently only used for suspend/unsuspend
// toggle
public void update(NetworkAgentInfo nai) {
final boolean isDefault = isDefaultNetwork(nai);
final DetailedState state = nai.networkInfo.getDetailedState();
for (int type = 0; type < mTypeLists.length; type++) {
final ArrayList<NetworkAgentInfo> list = mTypeLists[type];
final boolean isFirst = (list != null && list.size() > 0 && nai == list.get(0));
if (isFirst || isDefault) {
maybeLogBroadcast(nai, state, type, isDefault);
sendLegacyNetworkBroadcast(nai, state, type);
}
}
}
private String naiToString(NetworkAgentInfo nai) {
String name = (nai != null) ? nai.name() : "null";
String state = (nai.networkInfo != null) ?
@@ -4502,6 +4519,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
private void updateNetworkInfo(NetworkAgentInfo networkAgent, NetworkInfo newInfo) {
NetworkInfo.State state = newInfo.getState();
NetworkInfo oldInfo = null;
final int oldScore = networkAgent.getCurrentScore();
synchronized (networkAgent) {
oldInfo = networkAgent.networkInfo;
networkAgent.networkInfo = newInfo;
@@ -4560,8 +4578,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
// This has to happen after matching the requests, because callbacks are just requests.
notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_PRECHECK);
} else if (state == NetworkInfo.State.DISCONNECTED ||
state == NetworkInfo.State.SUSPENDED) {
} else if (state == NetworkInfo.State.DISCONNECTED) {
networkAgent.asyncChannel.disconnect();
if (networkAgent.isVPN()) {
synchronized (mProxyLock) {
@@ -4573,6 +4590,17 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
}
} else if ((oldInfo != null && oldInfo.getState() == NetworkInfo.State.SUSPENDED) ||
state == NetworkInfo.State.SUSPENDED) {
// going into or coming out of SUSPEND: rescore and notify
if (networkAgent.getCurrentScore() != oldScore) {
rematchAllNetworksAndRequests(networkAgent, oldScore,
NascentState.NOT_JUST_VALIDATED);
}
notifyNetworkCallbacks(networkAgent, (state == NetworkInfo.State.SUSPENDED ?
ConnectivityManager.CALLBACK_SUSPENDED :
ConnectivityManager.CALLBACK_RESUMED));
mLegacyTypeTracker.update(networkAgent);
}
}
@@ -4608,7 +4636,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
private void sendLegacyNetworkBroadcast(NetworkAgentInfo nai, boolean connected, int type) {
private void sendLegacyNetworkBroadcast(NetworkAgentInfo nai, DetailedState state, int type) {
// The NetworkInfo we actually send out has no bearing on the real
// state of affairs. For example, if the default connection is mobile,
// and a request for HIPRI has just gone away, we need to pretend that
@@ -4617,11 +4645,11 @@ public class ConnectivityService extends IConnectivityManager.Stub
// and is still connected.
NetworkInfo info = new NetworkInfo(nai.networkInfo);
info.setType(type);
if (connected) {
info.setDetailedState(DetailedState.CONNECTED, null, info.getExtraInfo());
if (state != DetailedState.DISCONNECTED) {
info.setDetailedState(state, null, info.getExtraInfo());
sendConnectedBroadcast(info);
} else {
info.setDetailedState(DetailedState.DISCONNECTED, info.getReason(), info.getExtraInfo());
info.setDetailedState(state, info.getReason(), info.getExtraInfo());
Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType());